Pharmacology - Mock Test 38

Question 371

Propranolol does not block the following action of adrenaline

A) Bronchodilatation B) Lipolysis C) Muscle tremor D) Mydriasis

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Question 372

Dobutamine differs from dopamine in that

A) It does not activate peripheral dopaminergic receptors B) It does not activate adrenergic β receptors C) It causes pronounced tachycardia D) It has good blood-brain barrier penetrability

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Question 373

Noradrenaline is administered by

A) Subcutaneous injection B) Intramuscular injection C) Slow intravenous infusion D) All of the above routes

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Question 374

The metabolic actions of adrenaline include the following <u>except</u>

A) Glycogenolysis in liver and muscle B) Inhibition of neoglucogenesis in liver C) Lipolysis in adipose tissue D) Release of potassium from liver followed by its uptake

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Question 375

Propranolol can be used to allay anxiety associated with

A) Chronic neurotic disorder B) Schizophrenia C) Short-term stressful situations D) Endogenous depression

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Question 376

Adrenaline raises blood glucose level by the following actions <u>except</u>

A) Inducing hepatic glycogenolysis B) Inhibiting insulin secretion from pancreatic β cells C) Augmenting glucagon secretion from pancreatic α cells D) Inhibiting peripheral glucose utilization

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Question 377

Adrenaline is inactive orally because it is

A) Not absorbed from the gastrointestinal tract B) Destroyed by gastric acid C) Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D) Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs

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Question 378

The effect of propranolol on heart rate is least marked under the following condition

A) Physical exercise B) Rest C) Anxiety D) Sick sinus syndrome

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Question 379

Vasomotor reversal phenomenon after administration of an α adrenergic blocker is seen with

A) Adrenaline B) Noradrenaline C) Isoprenaline D) All of the above drugs

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Question 380

All of the following contribute to the antihypertensive action of propranolol except

A) Direct vasodilatation B) Decreased renin release from kidney C) Adaptation of blood vessels to reduced cardiac output D) Less noradrenaline release from sympathetic nerve endings

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